/**
 * Backtracking.
 *
 *
 * <p>Backtracking can have potential to be done in parallel.
 *
 * <p>Backtracking can solve problem of nontriival size by prunning non-promissing branches of the state-space tree.
 *
 *
 * <p>Examples:
 *
 * <p>Eight queen problem
 *
 *
 *
 * @author Trung Phan
 *
 */
package net.tp.tech.bt;
